Solve in the interval [0,2pie) (1-cos x)/(1+ cos x)= 3
F flakine Junior Member Joined Aug 24, 2005 Messages 78 Nov 15, 2005 #1 Solve in the interval [0,2pie) (1-cos x)/(1+ cos x)= 3
pka Elite Member Joined Jan 29, 2005 Messages 11,983 Nov 15, 2005 #2 \(\displaystyle \begin{array}{l} 1 - \cos (x) = 3 + 3\cos (x) \\ 4\cos (x) = - 2 \\ \cos (x) = - 1/2 \\ \end{array}\) Now you solve for x.
\(\displaystyle \begin{array}{l} 1 - \cos (x) = 3 + 3\cos (x) \\ 4\cos (x) = - 2 \\ \cos (x) = - 1/2 \\ \end{array}\) Now you solve for x.
